We pit the all-wheel drive Audi RS5 against the BMW M4 in this drag race... but for an extra bit of fun, an E92 BMW M3 turned up to join in! Place your bets and find out which comes first by hitting play!

Full review: > When it comes to sporting heritage, few marques can match Audi and BMW. Both have succeeded in the white heat of competition, and proved that the race track and rally stage are the best proving grounds for new products.